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xdream86/CGPathAddArcToPointDemo.m

Created August 25, 2013 03:12
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CGPathAddArcToPointDemo.m
int ox = 50, oy = 50, r = 10, rw = 100, rh = 100;
CGMutablePathRef path = CGPathCreateMutable();
CGPathMoveToPoint(path, NULL,ox, oy+r);
CGPathAddArcToPoint(path, NULL, ox, oy+rh, ox+r,oy+rh, r);
CGPathAddArcToPoint(path, NULL, ox+rw, oy+rh, ox+rw, oy+rh-r, r);
CGPathAddArcToPoint(path, NULL, ox+rw, oy, ox+rw-r, oy, r);
CGPathAddArcToPoint(path, NULL, ox, oy, ox,oy+r,r);
CGContextSetStrokeColorWithColor(theContext, [UIColor greenColor].CGColor);
CGContextBeginPath(theContext);
CGContextAddPath(theContext, path);
CGContextSetLineWidth(theContext, 3);
CGContextStrokePath(theContext);
CFRelease(path);　
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